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molecular solid
This type of change is called condensation or liquefaction.
The temperature of chlorine will be solid as its boiling and melting point are both negative numbers...melting point: -101 degreesboiling point: -34
The melting point of a solid is the temperature range at which it changesstate from solid to liquid. At the melting point the solid and liquid phase exist in equilibrium. During the melting process, all of the energy added to a substance is consumed as heat of fusion. A solid holds together because there are bonds b/n the molecules that make it up. Melting involves the breaking or weakening of these bonds. The exact type of bond depends on the substance
Covalent solid
ICE
The great majority of solids have a definite melting point.Some materials as plastics, glass, silicates have a transition temperature from solid to liquid.
When something is changing from a solid to a liquid, it is melting.
The factor that has the greatest effect on the melting point of a crystalline solid is the type of bonding among the particles. Heat breaks the bonds that hold the particles together.
- melting point is a specific characteristic of a substance; consequently we can distinguish these substances knowing the melting point - the knowledge of the melting point is absolutely necessary to design technological processes, to made alloy, to use surely materials at high temperature, etc.
Solid crystalline compounds.
Plastic, being the amorphous solid it doesn't have the accurate melting point. It melt gradually as the temperature rises. Glass are also belong to this type. Hence, amorphous solid are also known super cooled liquid.